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Detail to Avoid
In an effort to conceal a column base connection, the base is shown set below the floor slab. This detail will allow moisture to migrate into the wood, and may lead to decay.
Alternate Detail 1
Alternative arrangements provide for the column base to be raised to the slab level, and a steel plate used as a moisture barrier. In this case, a base trim may be used if it is necessary to conceal the hardware.
Alternative Detail 2
A steel "bucket shoe" will encase the wood below the level of the slab and protect the wood against moisture as long as the top of the shoe projects slightly above the slab.
